CIRCULAR GRATING DFB AND DBR SEMICONDUCTOR-LASERS - THRESHOLD CURRENT ANALYSIS

被引：7

作者：

MAKINO, T

WU, CM

机构：

来源：

OPTICS COMMUNICATIONS | 1992年 / 90卷 / 4-6期

关键词：

D O I：

10.1016/0030-4018(92)90280-5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The threshold current is analyzed for distributed feedback (DFB) and distributed Bragg reflector (DBR) semiconductor lasers with circular gratings. It is shown that in circular grating DFB lasers, the threshold current becomes minimum at a certain cavity radius, while in circular grating DBR lasers it increases monotonically as the active region radius increases.

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页码：297 / 300

页数：4

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